... occasions 2.Aluminum alloy shell, durable 1, equip with waterproof night vision 300,000 pixel digital camera, suitable for various occasions. ... use. 7, supports a variety of wireless anti-theft detectors, infrared radio fence, smoke, gas, flu, emergency buttons. 8, the ... facilitate full expansion to connect a variety of wired alarm equipment. 9, the host interaction with alarm relay output, convenient ...